10-04-2019
Mathematics

contestada

How do you find the answer to it and how do you set it up

How do you find the answer to it and how do you set it up class=

Respuesta :

gencibro gencibro

17-04-2019

vertical angles are congruent so

4x = 5x-30

-1x = -30

x = 30

4*30 = 120

5(30) - 30

150 - 30

= 120

to find the sides since the are supplementary angles do 180 - 120

both = 60 degrees

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